TY JOUR TI Features of Design and Construction of Buildings in Seismically Hazardous Areas with Permafrost Soils KW Permafrost soils KW seismic activity KW pile foundation KW grillage KW ventilated underground KW large-panel buildings JO Proceedings of Petersburg Transport University AU Pegin, P.A. AU Filimonov, D.S. PY 2023 IS 20 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"